GitHub user Neon-Face added a comment to the discussion: [Bug]
`standard.operators.python` fails the task randomly
It seems like the bug is from `airflow.providers.standard.operators.python`, it
possibly triggers server error and change the task state.
```
2025-08-07 18:06:42 [warning ] Server error
[airflow.sdk.api.client] detail={'detail': {'reason': 'not_found', 'message': "V
ariable with key 'PythonVirtualenvOperator.cache_key' not found"}}
2025-08-07 18:06:42 [error ] Variable not found
[airflow.sdk.api.client] detail={'detail': {'reason': 'not_found', 'message': "V
ariable with key 'PythonVirtualenvOperator.cache_key' not found"}}
key=PythonVirtualenvOperator.cache_key status_code=404
```
It is located in
`.venv/lib/python3.9/site-packages/airflow/providers/standard/operators/python.py`:
`"cache_key": str(Variable.get("PythonVirtualenvOperator.cache_key", "")),`
Also in
`.venv/lib/python3.9/site-packages/airflow/providers/standard/operators/python.py`
, Variable is imported in an old way: `from airflow.models.variable import
Variable` instead of `from airflow.sdk import Variable`.
Can anyone help me confirm that such issue does exist? Thanksss!
GitHub link:
https://github.com/apache/airflow/discussions/54534#discussioncomment-14113653
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